Try upgrading to stock pae kernel (sudo apt-get install linux-generic-pae). I'm running 2.6.35-22-generic-pae and have been able to suspend/wake up reliably.
Try upgrading to stock pae kernel (sudo apt-get install linux-generic-pae). I'm running 2.6.35- 22-generic- pae and have been able to suspend/wake up reliably.